• Sat

    May 16

    74°Lo 54°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      80°
  • Sun

    May 17

    74°Lo 61°

    Clouds, a shower

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      41%
    • Hi
      RealFeel
      75°
    more
  • Mon

    May 18

    84°Lo 62°

    Warmer with a shower

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      55%
    • Hi
      RealFeel
      85°
    more
  • Tue

    May 19

    85°Lo 63°

    Mostly cloudy and warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      87°
    more
  • Wed

    May 20

    86°Lo 50°

    Sunshine and warm

    Excellent for lawn mowing
    • Hours of Precip
      1
    • Precip
      4%
    • Hi
      RealFeel
      89°
    more
Next Previous
Hi 74° RealFeel® 80° Precipitation 0%

Day

N

E

S

W

  • NW 4 mph
  • Gusts: 15 mph

Mostly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 54° RealFeel® 51° Precipitation 0%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 12 mph

Increasing cloudiness

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 16

more Historical Weather Data >
  Today Normal Record 5/16/2014
High 74° 72° 88° (1951) 70°
Low 54° 50° 41° (1987) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:27 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:48 AM with 13:46 of moolight, then sets at 6:34 PM

Princeton Weather Report

Philadelphia: July-Like Heat to Bake Area This Weekend

May 6, 2015; 2:30 PM ET

Following spotty showers and thunderstorms at midweek, warmth is set to return to the Philadelphia area by this weekend. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?